Home / 743,655.89-1,113,753.74-723,200.15

Finding the Fourth Proportional to 743,655.89, 1,113,753.74 and 723,200.15

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Solution

The fourth proportional to 743,655.89, 1,113,753.74 and 723,200.15 is: 1,083,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,655.89 : 1,113,753.74 = 723,200.15 : x
  2. Step 2: Convert to fraction form
    743,655.89/1,113,753.74 = 723,200.15/x
  3. Step 3: Cross multiply
    743,655.89x = 1,113,753.74 × 723,200.15
  4. Step 4: Simplify right side
    743,655.89x = 805,466,862,646.29
  5. Step 5: Solve for x
    x = 805,466,862,646.29/743,655.89
  6. Step 6: Final answer
    x = 1,083,117.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.